ANCHORAGE, Alaska - Capt. Carl Uchytil, Seventeenth Coast Guard District chief of planning and force readiness and Larry Trigatti, superintendent of environmental response for the Canadian Coast Guard in central and Arctic region, welcome participants to the Canada U.S. North pollution response exercise at the Capt. Cook Hotel in Anchorage, March 16, 2010. The two-day exercise is an opportunity for North America's Arctic region responders and stakeholders to meet and discuss plans, tactics and issues related to response in the Beaufort Sea and Arctic Ocean. U.S. Coast Guard audio by Petty Officer 1st Class Sara Francis.